import { convexBetterAuthNextJs } from "@convex-dev/better-auth/nextjs";

function getErrorText(error: unknown): string {
  if (error instanceof Error) {
    return error.message;
  }

  if (typeof error === "string") {
    return error;
  }

  if (error && typeof error === "object") {
    const { data, message } = error as { data?: unknown; message?: unknown };
    return [message, data]
      .filter((value): value is string => typeof value === "string")
      .join(" ");
  }

  return "";
}

function isConvexAuthError(error: unknown): boolean {
  return /\b(Unauthenticated|Unauthorized|Not authenticated)\b/i.test(
    getErrorText(error),
  );
}

export const {
  handler,
  preloadAuthQuery,
  isAuthenticated,
  getToken,
  fetchAuthQuery,
  fetchAuthMutation,
  fetchAuthAction,
} = convexBetterAuthNextJs({
  convexUrl: process.env.NEXT_PUBLIC_CONVEX_URL!,
  convexSiteUrl: process.env.NEXT_PUBLIC_CONVEX_SITE_URL!,
  jwtCache: {
    enabled: true,
    isAuthError: isConvexAuthError,
  },
});